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Physics 101 Mechanics Q&A Archive of October 28, 2021

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October 28 of 2021

The mass of a space shuttle is 2.03×106[kg] and the mass of a second shuttle is 1.91×106[kg]. Suppose that the shuttles are in space, and separated by a distance of 50.0[m]. What is the magnitude of the gravitational force that the first shuttle exerts on the second shuttle? Express your answer…
A pottery wheel (m = 15.0[kg], r = 0.18[m]) is being used to shape some clay. The moment of inertia of the wheel is I = (1/2)mr2. If the wheel is initially spinning with an angular velocity of 10.54[rad/s] and it is subject to a constant angular acceleration for 8.58[s], until it finally stops,…
The bola is a traditional weapon used for tripping up or grounding an animal. Once it is set into motion, either end of the bola can be thought of as a single object that is in circular motion with a constant speed. Suppose that it takes the end of the bola 0.250[s] to traverse a circular path…
A car moving along X- axis according on the function: ???? (????) = 2 ????2 + 5 ???? + 7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s.
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
Power is transmitted using a V-belt drive. The included angle of the V-groove is 30°. The belt is 20 mm deep (thickness) and the maximum width is 20 mm. If the mass of the belt is 0.35 kg per meter length and maximum allowable stress are 1.4 MPa, determine the maximum power transmitted when…
1. A ball that weighs 15 N is suspended from a swivel point by a rod that is 1.2 m long. When it revolves in a horizontal circular path at 50 rpm. What are the tension in the rod and the radius of rotation of the ball? [6 marks] 2 A packing machine mechanism has a crosshead that moves in a…
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
1. Give three properties (or characteristics) of materials used for friction belt drives. 2. Give an example (or application) of where you will make use of flat belt drives. 3. Give an example (or application) of where you will make use of V-belt drives.
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
can you please answer the 5 questions
Si F= 40N y M = 2.0 kg. ¿Cual es la magnitud de la aceleración del objeto suspendido? Todas las superficies son lisas.
Una superficie sobre la cual se deslizan los bloques no tiene fricción. Si F= 12N ¿cual es la tensión de la cuerda?
Un objeto de 2.0 kg tiene una velocidad de 4.0 m/s cuando t=0. Luego una fuerza resultante constante de (2.0 i + 4.0 j) N actua sobre el objetivo durante 3s. ¿Cual es la rapidez del objetivo al termino del intervalo?
Un objeto de 2.0 kg tiene una velocidad de 4.0 m/s cuando t=0. Luego una fuerza resultante constante de (2.0 i + 4.0 j) N
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at west of north, and the resultant of these two pulls is 460.0 directly northward. Use vector components to find the magnitude of each of these pulls and the direction of the…
define molarity.
A train has a speed of 60 km/h. for the first one hour and 40 km/h for the next half hour. Its average speed in km/h is
2. A man goes 10m towards North, then 20m towards east then displacement is
Acceleration is sometimes measured in g's, where 1.0 g = 9.8 m/s^2. How many g's correspond to the steady acceleration of a car doing "zero to sixty mph" in 10.0 seconds?
A particle is displaced from the point whose position vector a 5i -5j -7k to a 6i + 2j - 2k under the action of forces 10i - j + 11k, 4i +5 j + 6k, -2i + j - 9k. Find the total work done
A particle is displaced from the point whose position vector a 5i -5j -7k to a 6i + 2j - 2k under the action of forces 10i - j + 11k, 4i +5 j + 6k, -2i + j - 9k. Find the total work done
what is number of calorie in 65 joule of energy ?
A Frisbee gets stuck in a tree. You want to get it out by throwing a 1.0-kg rock straight up at the Frisbee. If the rock’s speed as it reaches the Frisbee is 4.0 m/s, what was its speed as it left your hand 2.8 m below the Frisbee? Specify the system and the initial and final states and draw…
Is 16 ounces a pint ?
How many feet is 69 inches ?
If we add 2.5m to 350mm then total in Metre is?
Convert 4m^2 to cm^2
How many pints are in 5 gallon ?
What is bigger 23 inch or 20ft ?
What will be the phase velocity of the de Broglie wave associated with the particle, if its mass is m0, moving uniformly in a straight line having relativistic velocity ?c, where c is the velocity of light in vacuum and 0< ? < 1.
a rally car travels at 216 km / h. Its engine develops under these conditions, a power of 50kw. the road is straight and horizontal. It is admitted that the only cause of the progression of the vehicle is the resistance of the air; it is a horizontal force in the opposite direction to that of…
(b) Assuming complete reaction, draw a molecularmodel representation of the amounts of reactants and products left after the reaction. The atomic arrangement in C is ABA.
A force of 70N acts on a big rock block at an angle 30° above a smooth surface. The block moved a horizontal distance of 4.0m. How much work is done by the applied force?
What is the work done if a 20-Newton force is used to lift up a basket and it was carried moving 20m in straight path?
Convert 567cm in feet
75.0-kg man (weight ofabout 165 lb) standing on a bathroom scale in an elevator: Calculate the scale reading: (a) if the elevator accelerates upward at a rate of 1.20 m/s?, and (b) if the elevator moves upward at a constant speed of 1 m/s
The mass of a space shuttle is 2.03×106[kg] and the mass of a second shuttle is 1.91×106[kg]. Suppose that the shuttles are in space, and separated by a distance of 50.0[m]. What is the magnitude of the gravitational force that the first shuttle exerts on the second shuttle? Express your answer…
A pottery wheel (m = 15.0[kg], r = 0.18[m]) is being used to shape some clay. The moment of inertia of the wheel is I = (1/2)mr2. If the wheel is initially spinning with an angular velocity of 10.54[rad/s] and it is subject to a constant angular acceleration for 8.58[s], until it finally stops,…
The bola is a traditional weapon used for tripping up or grounding an animal. Once it is set into motion, either end of the bola can be thought of as a single object that is in circular motion with a constant speed. Suppose that it takes the end of the bola 0.250[s] to traverse a circular path…
A car moving along X- axis according on the function: ???? (????) = 2 ????2 + 5 ???? + 7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s.
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
1. A ball that weighs 15 N is suspended from a swivel point by a rod that is 1.2 m long. When it revolves in a horizontal circular path at 50 rpm. What are the tension in the rod and the radius of rotation of the ball? [6 marks] 2 A packing machine mechanism has a crosshead that moves in a…
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
1. Give three properties (or characteristics) of materials used for friction belt drives. 2. Give an example (or application) of where you will make use of flat belt drives. 3. Give an example (or application) of where you will make use of V-belt drives.
25) A 500 g block moving at 80 cm/s slides 60 cm across the table before stopping
Si F= 40N y M = 2.0 kg. ¿Cual es la magnitud de la aceleración del objeto suspendido? Todas las superficies son lisas.
Una superficie sobre la cual se deslizan los bloques no tiene fricción. Si F= 12N ¿cual es la tensión de la cuerda?
Un objeto de 2.0 kg tiene una velocidad de 4.0 m/s cuando t=0. Luego una fuerza resultante constante de (2.0 i + 4.0 j) N
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at west of north, and the resultant of these two pulls is 460.0 directly northward. Use vector components to find the magnitude of each of these pulls and the direction of the…
define molarity.
A train has a speed of 60 km/h. for the first one hour and 40 km/h for the next half hour. Its average speed in km/h is
2. A man goes 10m towards North, then 20m towards east then displacement is
Acceleration is sometimes measured in g's, where 1.0 g = 9.8 m/s^2. How many g's correspond to the steady acceleration of a car doing "zero to sixty mph" in 10.0 seconds?
A particle is displaced from the point whose position vector a 5i -5j -7k to a 6i + 2j - 2k under the action of forces 10i - j + 11k, 4i +5 j + 6k, -2i + j - 9k. Find the total work done
A particle is displaced from the point whose position vector a 5i -5j -7k to a 6i + 2j - 2k under the action of forces 10i - j + 11k, 4i +5 j + 6k, -2i + j - 9k. Find the total work done
what is number of calorie in 65 joule of energy ?
A Frisbee gets stuck in a tree. You want to get it out by throwing a 1.0-kg rock straight up at the Frisbee. If the rock’s speed as it reaches the Frisbee is 4.0 m/s, what was its speed as it left your hand 2.8 m below the Frisbee? Specify the system and the initial and final states and draw…
Is 16 ounces a pint ?
How many feet is 69 inches ?
If we add 2.5m to 350mm then total in Metre is?
Convert 4m^2 to cm^2
How many pints are in 5 gallon ?
What is bigger 23 inch or 20ft ?
What will be the phase velocity of the de Broglie wave associated with the particle, if its mass is m0, moving uniformly in a straight line having relativistic velocity ?c, where c is the velocity of light in vacuum and 0< ? < 1.
a rally car travels at 216 km / h. Its engine develops under these conditions, a power of 50kw. the road is straight and horizontal. It is admitted that the only cause of the progression of the vehicle is the resistance of the air; it is a horizontal force in the opposite direction to that of…
(b) Assuming complete reaction, draw a molecularmodel representation of the amounts of reactants and products left after the reaction. The atomic arrangement in C is ABA.
A force of 70N acts on a big rock block at an angle 30° above a smooth surface. The block moved a horizontal distance of 4.0m. How much work is done by the applied force?
What is the work done if a 20-Newton force is used to lift up a basket and it was carried moving 20m in straight path?
Convert 567cm in feet